Wheelchair cushion



FIG. 1 is a top, front, and left side perspective view of a wheelchaircushion showing my new design, the broken-line disclosure of awheelchair being for illustrative purposes only and forming no part ofthe claimed design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a wheelchair cushion, as shown and described.